Rewrite: Remove globals

[arildm]

Code components cannot be appropriately encapsulated while variables live in the global scope. This primarily means properties added to window, but also $rootScope to some extension. Some usage may still be valid, especially of the latter.

window

• [x] settings
• [x] c
• [x] moment
• [x] CSV
• [x] currentMode
• [x] currentModeParallel
• [x] lang
• [x] loc_data
• [x] korpApp
• [x] authenticationProxy
• [x] Rickshaw
• [x] model
• [x] statisticsService
• [x] util
• [x] CorpusListing
• [x] ParallelCorpusListing
• [x] search()
• [ ] locationSearch()
• [x] safeApply()
• [x] regescape()
• [x] unregescape()
• [x] __
• [x] _graph
• [x] xaxis
• [x] CQP
• [x] onHashChange()

$rootScope

• [ ] _settings
• [ ] simpleCQP
• [ ] extendedCQP
• [ ] globalFilter
• [ ] globalFilterDef
• [x] locationSearch()
• [ ] searchtabs()
• [ ] _loc
• [ ] kwicTabs
• [ ] compareTabs
• [ ] graphTabs
• [ ] mapTabs
• [ ] textTabs
• [ ] waitForLogin
• [ ] openErrorModal()
• [ ] lang
• [ ] loc_data
• [ ] isPopoverOpen
• [ ] show_modal
• [ ] jsonUrl
• [ ] searches
• [ ] ($on, $watch, $broadcast)